SG11202101584XA - Co-based alloy for soft magnetic layer of magnetic recording medium - Google Patents

Co-based alloy for soft magnetic layer of magnetic recording medium

Info

Publication number
SG11202101584XA
SG11202101584XA SG11202101584XA SG11202101584XA SG11202101584XA SG 11202101584X A SG11202101584X A SG 11202101584XA SG 11202101584X A SG11202101584X A SG 11202101584XA SG 11202101584X A SG11202101584X A SG 11202101584XA SG 11202101584X A SG11202101584X A SG 11202101584XA
Authority
SG
Singapore
Prior art keywords
recording medium
based alloy
magnetic recording
magnetic layer
soft magnetic
Prior art date
Application number
SG11202101584XA
Inventor
Yui Tanaka
Yumeki SHINMURA
Original Assignee
Sanyo Special Steel Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sanyo Special Steel Co Ltd filed Critical Sanyo Special Steel Co Ltd
Publication of SG11202101584XA publication Critical patent/SG11202101584XA/en

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/62—Record carriers characterised by the selection of the material
    • G11B5/64—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent
    • G11B5/66—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent the record carriers consisting of several layers
    • G11B5/667—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent the record carriers consisting of several layers including a soft magnetic layer
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C19/00—Alloys based on nickel or cobalt
    • C22C19/07—Alloys based on nickel or cobalt based on cobalt
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers
    • G11B5/851—Coating a support with a magnetic layer by sputtering
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F10/00—Thin magnetic films, e.g. of one-domain structure
    • H01F10/08—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers
    • H01F10/10—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers characterised by the composition
    • H01F10/12—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers characterised by the composition being metals or alloys
    • H01F10/16—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers characterised by the composition being metals or alloys containing cobalt
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/14—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for applying magnetic films to substrates
    • H01F41/18—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for applying magnetic films to substrates by cathode sputtering

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Power Engineering (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Record Carriers (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Thin Magnetic Films (AREA)
SG11202101584XA 2018-08-20 2019-08-19 Co-based alloy for soft magnetic layer of magnetic recording medium SG11202101584XA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2018154016A JP6784733B2 (en) 2018-08-20 2018-08-20 Co-based alloy for soft magnetic layer of magnetic recording medium
PCT/JP2019/032255 WO2020040082A1 (en) 2018-08-20 2019-08-19 Co-BASED ALLOY FOR USE IN SOFT MAGNETIC LAYER OF MAGNETIC RECORDING MEDIUM

Publications (1)

Publication Number Publication Date
SG11202101584XA true SG11202101584XA (en) 2021-03-30

Family

ID=69593104

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11202101584XA SG11202101584XA (en) 2018-08-20 2019-08-19 Co-based alloy for soft magnetic layer of magnetic recording medium

Country Status (5)

Country Link
JP (1) JP6784733B2 (en)
CN (1) CN112585285A (en)
SG (1) SG11202101584XA (en)
TW (1) TWI823989B (en)
WO (1) WO2020040082A1 (en)

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08249643A (en) * 1995-03-13 1996-09-27 Kobe Steel Ltd Magnetic recording medium and target for forming magnetic film
JP2006127619A (en) * 2004-10-28 2006-05-18 Hitachi Global Storage Technologies Netherlands Bv Magnetic recording medium and its manufacturing method
JP2008108380A (en) * 2006-09-29 2008-05-08 Fujitsu Ltd Magnetic recording medium and magnetic recording device
JP2009211791A (en) * 2008-03-06 2009-09-17 Hitachi Global Storage Technologies Netherlands Bv Method for manufacturing and manufacture apparatus of magnetic recording medium
KR20090105746A (en) * 2008-04-03 2009-10-07 성균관대학교산학협력단 Method for manufacturing perpendicular magnetic recording media
JP6094848B2 (en) * 2011-03-30 2017-03-15 日立金属株式会社 Method for producing Fe-Co alloy soft magnetic film for perpendicular magnetic recording medium
JP2013143156A (en) * 2012-01-10 2013-07-22 Hitachi Metals Ltd Co-Fe ALLOY SOFT MAGNETIC BASE LAYER
JP5778052B2 (en) * 2012-02-03 2015-09-16 山陽特殊製鋼株式会社 Alloy for soft magnetic film layer having low saturation magnetic flux density used for magnetic recording medium and sputtering target material
JP6050050B2 (en) * 2012-08-14 2016-12-21 山陽特殊製鋼株式会社 Fe-Co alloy sputtering target material and method for producing the same
JP6405261B2 (en) * 2014-05-01 2018-10-17 山陽特殊製鋼株式会社 Soft magnetic alloy for magnetic recording, sputtering target material, and magnetic recording medium
JP2016149170A (en) * 2015-02-12 2016-08-18 日立金属株式会社 Fe-Co-Nb BASED ALLOY SPUTTERING TARGET MATERIAL AND SOFT MAGNETIC FILM
TWI619817B (en) * 2016-10-26 2018-04-01 光洋應用材料科技股份有限公司 Co-Fe-Nb-based Sputtering Target
JP2018085156A (en) * 2016-11-22 2018-05-31 日立金属株式会社 Sputtering target for forming soft magnetic film

Also Published As

Publication number Publication date
WO2020040082A1 (en) 2020-02-27
TWI823989B (en) 2023-12-01
JP2020029576A (en) 2020-02-27
CN112585285A (en) 2021-03-30
TW202015039A (en) 2020-04-16
JP6784733B2 (en) 2020-11-11

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